I could have helped him out, to tell the truth, I _____ too busy.
| A．am | B．was | C．have been | D．had been |
Some 1,000 new words or usages join the English language each year. Some go into the dictionary. Others _______ from use.
| A．remain | B．leave | C．fail | D．fade |
7. You should put on the notices ______ all the people may see them.
| A．where | B．in which | C．at | D．for them |
6. _____ I suggest, he always disagrees.
| A．however | B．whatever | C．Whichever | D．Whoever |
5. “Was his father very strict with him when he was at school?” “Yes. He had never praised him _______ he became one of the top students in his grade.”
| A．after | B．unless | C．until | D．when |
4 You will succeed in the end ____ you give up halfway.
| A．even if | B．as though | C．as long as | D．unless |